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+ /*
+
+ Copyright (C) 2000 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ */
+
+#ifndef CONNECTION_H
+#define CONNECTION_H
+
+#include "arts_export.h"
+#include "buffer.h"
+
+/*
+ * BC - Status (2002-03-08): Connection.
+ *
+ * None of these classes is considered part of the public API. However, they
+ * NEED to be kept binary compatible as the DO interact with generated code.
+ *
+ * Especially virtual functions and stuff can't be added, if you need to,
+ * you need to add classes parallel to the Connection hierarchy.
+ */
+
+namespace Arts {
+
+class ConnectionPrivate;
+
+class ARTS_EXPORT Connection {
+private:
+ ConnectionPrivate *d; // unused
+public:
+ enum ConnectionState {
+ unknown = 0,
+ expectServerHello = 1,
+ expectClientHello = 2,
+ expectAuthAccept = 3,
+ established = 4
+ };
+protected:
+ Buffer *rcbuf;
+ bool receiveHeader;
+ long remaining;
+ long messageType;
+ ConnectionState _connState;
+ std::string serverID;
+ std::string _cookie;
+
+ long _refCnt;
+
+ /**
+ * If you don't want to handle message fragmentation yourself:
+ *
+ * Call initReceive in your derived Connection constructor, ald
+ * receive as soon as you receive some data - the connection object
+ * will handle the rest (put the messages into buffers and send them
+ * to the dispatcher)
+ */
+ void initReceive();
+ void receive(unsigned char *data, long len);
+
+ virtual ~Connection();
+public:
+ Connection();
+
+ inline void setServerID(const std::string& _serverID) { serverID = _serverID; }
+ inline bool isConnected(const std::string& s) { return (serverID == s); }
+ inline void setConnState(ConnectionState cs) { _connState = cs; };
+
+ inline std::string cookie() { return _cookie; }
+ void setCookie(const std::string& c) { _cookie = c; }
+ void setHints(const std::vector<std::string>& hints);
+ std::string findHint(const std::string& name);
+
+ inline ConnectionState connState() { return _connState; };
+ virtual void drop() = 0;
+ virtual bool broken() = 0;
+ virtual void qSendBuffer(Buffer *buffer) = 0;
+
+ void _release();
+ void _copy();
+};
+
+}
+
+#endif